Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10686198 | Fuel cell assembly | Ming Han, Yunzhong Chen | 2020-06-16 |
| 10525292 | Respiratory device with unidirectional valve for attaching active venting system | Kwok Jiang Sak, Jérôme Lee | 2020-01-07 |